此款前翼去掉了上层翼片并且使用了多段板的设计（箭头所示）。

This is based on the previous version, but it has been simplified with no upper flaps and a multiple endplate section (bottom arrow).

youdao

此款前翼去掉了上层翼片并且使用了多段板的设计（箭头所示）。

This is based on the previous version, but it has been simplified with no upper flaps and a multiple endplate section (bottom arrow).

youdao